'Replacement' definitions:

Definition of 'replacement'

From: WordNet
noun
The act of furnishing an equivalent person or thing in the place of another; "replacing the star will not be easy" [syn: replacement, replacing]
noun
Someone who takes the place of another person [syn: surrogate, alternate, replacement]
noun
An event in which one thing is substituted for another; "the replacement of lost blood by a transfusion of donor blood" [syn: substitution, permutation, transposition, replacement, switch]
noun
A person or thing that takes or can take the place of another [syn: substitute, replacement]
noun
Filling again by supplying what has been used up [syn: refilling, replenishment, replacement, renewal]
noun
A person who follows next in order; "he was President Lincoln's successor" [syn: successor, replacement]

Definition of 'Replacement'

From: GCIDE
  • Replacement \Re*place"ment\ (-ment), n.
  • 1. The act of replacing. [1913 Webster]
  • 2. (Crystallog.) The removal of an edge or an angle by one or more planes. [1913 Webster]